regex101: JavaScript Match Workspace

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group 1(\w+)

\w+any word character, repeated at least once

Group 2([^>]*)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group 3(.*)

.*any character (except for line terminators), repeated any number of times

Group 4(\s*)

\s*any whitespace character, repeated any number of times

Group 5(<\/\1>$)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\1the text saved by group 1

>the literal > (62₁₀ / 76₈ / 3E₁₆)

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Search reference

Regular Expression

<(\w+)([^>]*)>(.*)(\s*)(<\/\1>$)

New

<HTML lang="ko">
    <BODY>


    </BODY></HTML>


<HTML lang="ko">
    <BODY>
        <P>BOOST
         </P>

    </BODY></HTML>
<body></body>

<!DOCTYPE html>
<HTML lang="ko">
    <BODY>
        <P>BOOST<IMG SRC="codesquad.kr"></IMG>
            <BR/></P>
        <FONT name="Seoul">CAMP</FONT>
    </BODY></HTML>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical" >

    <TextView android:id="@+id/text"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="Hello, I am a TextView" />
    <Spacer>blank</Spacer>
    <Button android:id="@+id/button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Hello, I am a Button" />
</LinearLayout>